Photocatalyst‐Free Visible‐Light Enabled Synthesis of Substituted Pyrroles from α‐Keto Vinyl Azides,Advanced Synthesis & Catalysis

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Photocatalyst‐Free Visible‐Light Enabled Synthesis of Substituted Pyrroles from α‐Keto Vinyl Azides
Advanced Synthesis & Catalysis ( IF 4.4 ) Pub Date : 2020-06-23 , DOI: 10.1002/adsc.202000562
Satheesh Borra _{1,

2} , Lodsna Borkotoky _{1,

2} , Uma Devi Newar _{1,

2} , Babulal Das ₃ , Ram Awatar Maurya _{1,

2}

Affiliation

An efficient photocatalyst‐free visible light enabled synthesis of substituted pyrroles from α‐keto vinyl azides (readily prepared via Knoevenagel condensation of phenacyl azides with 2‐oxo‐2H‐chromene‐3‐carbaldehydes) was developed. The reaction proceeds through a denitrogenative photodecomposition of α‐keto vinyl azides, 1,3‐amino group migration, and coupling of intermediates with secondary amines.

中文翻译：

由α-酮基乙烯基叠氮化物合成的无光催化剂的可见光合成吡咯

开发了一种高效的无光催化剂可见光，能够从α-酮基乙烯基叠氮化物合成取代的吡咯（已通过苯甲酰叠氮与2-oxo- 2H -chromene-3-甲醛的Knoevenagel缩合反应制备）。该反应通过α-酮基乙烯基叠氮化物的脱氮光分解，1,3-氨基迁移以及中间体与仲胺的偶联而进行。

更新日期：2020-08-19

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